Circuit Breaker NSN 5925-01-212-7249

Item Description

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

NSN: 5925-01-212-7249

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Features and Characteristics

Body Style

Single pole type

Body Length

2.510 inches

Body Width

Between 0.730 inches and 0.780 inches

Case Material

Plastic

Center To Center Distance Between Terminals Parallel To Length

Between 1.660 inches and 1.960 inches

Distance Between Centerlines Of Mounting Facilities Parallel To Body Length

Between 2.046 inches and 2.078 inches

Fragility Factor

Moderately rugged

Boss Height

Between 0.109 inches and 0.171 inches

Mounting Surface To Terminal End Distance

2.553 inches

Pole Quantity

Arc Quenching Method

Magnetic blowout

Mounting Facility Type And Quantity

2 threaded hole

Storage Type

General purpose warehouse

Special Handling Feature

Magnetic

Features Provided

High inrush protection

Thready Qty Per Inch (tpi)

Maximum Continuous Load Current Rating Per Pole

30.0 amperes ac single location

Operating Voltage Type And Rating Per Pole In Volts

240.0 ac single location

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps

1000.0 ac single location

Circuit Protection Type

Overcurrent single location

Trip Release Method

Magnetic single location

Trip Release Characteristic

Time delay single location

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent

150.0 single location

Reset Method

Manual

Main Contact Tripping Mechanism Type

Trip free

Manual Actuator Type And Quantity

1 toggle

Actuator Function

Trip-reset

Actuator Position Designation

At pole one

Internal Trip Release Configuration

Series trip single location

Thread Size

0.138 inches

Trip Delay Time In Seconds Per Rated Continuous Current

2.100 at 200 pct single location and 20.000 at 200 pct single location

Inclosure Protection Type For Which Designed

Moisture resistant and shock resistant and vibration resistant

Frequency In Hertz

400.0 single location

Test Data Document

81349-mil-c-55629 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unc

Terminal Type And Quantity

2 threaded stud

Specification Data

81349-mil-c-55629/1 government specification

FSC

5925 Circuit Breakers

NIIN

012127249

NSN

5925012127249

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M55629/1-404

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-C-55629/1

Cage Code:

81349

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8536200040
NAICS: 335313
SITC: 77252
Description: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi
End Use (Code 20005):
Electric apparatus

Q & A

Frequently asked questions for NSN 5925-01-212-7249

What are the manufacturers of nsn 5925012127249?

Military Specifications (81349)

Does this nsn 5925012127249 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5925012127249
A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. may include provisions for manual operation. at least one set of contacts must be in series with the actuating element(s). a combination of semiconductor and passive devices may be used in lieu of contacts. for automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). for items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. excludes circuit breaker box and magneto "breaker" assemblies. see also switch (as modified); and controller.

Does nsn 5925012127249 contain any precious metals?
No precious metal content.

Does nsn 5925012127249 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 5925012127249?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

00136

FIIG:

A030A0

App. Key:

Cond. Code:

Status:

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